<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <script type="text/javascript">
        //赋值
        var iNum01 = 12;
        iNum01 = iNum01 + 2;
        iNum01 += 2;   //iNum01 = 14
        alert(iNum01);
        iNum01 -= 5;
        alert(iNum01);
        iNum01 *= 2;
        alert(iNum01);
        iNum01 /= 2;
        alert(iNum01);
        iNum01 %= 2;
        alert(iNum01);
        //等同于iNum01 + 1 
        iNum01 ++ ;   


    </script>
    <title>Document</title>
</head>
<body>


</body>
</html>